On September 20, 2015, from 1 a.m., the Metro solution of avic-tec industrial UPS was successfully applied to the communication room in the train inspection work area of the Fangshan Line maintenance center of Beijing Metro. Provide high reliability power supply security for the TV monitoring system, broadcasting system, signal power supply and other loads in the communication room.

Beijing Metro Fangshan Line maintenance center was established in September, 2010, responsible for the maintenance of Fangshan line operating vehicles and the operation and maintenance of vehicle equipment in the section. The original high-frequency commercial UPS in the communication room of the train inspection work area has brought serious interference to the normal work of the train inspection work area due to the high failure rate. In order to ensure the stability and reliability of the power supply of the communication room in the train inspection work area, the Metro solution of AVIC Tec industrial UPS is specially selected.

AVIC tec (Xiamen) Electronics Co., Ltd. was jointly founded by Xiamen protec Technology Co., Ltd., a company under the China Aviation Industry Corporation and a fund company under the China Venture Capital Corporation. It came into being under the national strategic background of deepening military civilian integration and actively developing a mixed ownership economy. Xiamen protec Technology Co., Ltd., as the main sponsor, was founded in 2002. It is a high-tech enterprise focusing on the R & D, production, sales and service of high-end power supply. China is the first enterprise to produce industrial ups and power ups, and China is the first enterprise to produce a new generation of green industrial ups.

The application of CATIC UPS Metro solution has: system cabinet protection requirements to prevent the intrusion of metal dust in the subway environment; PCB board is treated with three prevention measures to achieve the purpose of moisture-proof, mold proof and salt spray corrosion prevention; UPS host adopts on-line industrial design to ensure the reliability, stability and safety of the system; UPS master-slave hot standby redundancy; Each 5KVA machine has an offline maintenance switch. In order to facilitate operation, we use the maintenance switch, bypass switch and output switch together as a combined switch, which can be maintained online and offline without affecting the work.